*
* (c) Copyright 2001 Ashok Narayanan <ashokn@cisco.com>
*
- * $Id: text2pcap.c,v 1.17 2002/06/23 10:32:18 guy Exp $
- *
- * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@ethereal.com>
+ * $Id$
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
- *
+ *
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
- *
+ *
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The output is a libpcap packet containing Ethernet frames by
* default. This program takes options which allow the user to add
- * dummy Ethernet, IP and UDP headers to the packets in order to allow
- * dumps of L3 or higher protocols to be decoded.
+ * dummy Ethernet, IP and UDP or TCP headers to the packets in order
+ * to allow dumps of L3 or higher protocols to be decoded.
*
* Considerable flexibility is built into this code to read hexdumps
* of slightly different formats. For example, any text prefixing the
# include "config.h"
#endif
+/*
+ * Just make sure we include the prototype for strptime as well
+ * (needed for glibc 2.2) but make sure we do this only if not
+ * yet defined.
+ */
+#ifndef __USE_XOPEN
+# define __USE_XOPEN
+#endif
+#ifndef _XOPEN_SOURCE
+# define _XOPEN_SOURCE
+#endif
+
+/*
+ * Defining _XOPEN_SOURCE is needed on some platforms, e.g. platforms
+ * using glibc, to expand the set of things system header files define.
+ *
+ * Unfortunately, on other platforms, such as some versions of Solaris
+ * (including Solaris 10), it *reduces* that set as well, causing
+ * strptime() not to be declared, presumably because the version of the
+ * X/Open spec that _XOPEN_SOURCE implies doesn't include strptime() and
+ * blah blah blah namespace pollution blah blah blah.
+ *
+ * So we define __EXTENSIONS__ so that "strptime()" is declared.
+ */
+#ifndef __EXTENSIONS__
+# define __EXTENSIONS__
+#endif
+
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-
-/*
- * Just make sure we include the prototype for strptime as well
- * (needed for glibc 2.2)
- */
-#define __USE_XOPEN
+#include <wsutil/file_util.h>
#include <time.h>
+#include <glib.h>
-#include <sys/types.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
-#ifdef HAVE_NETINET_IN_H
-# include <netinet/in.h>
-#endif
-#ifdef HAVE_WINSOCK2_H
-# include <winsock2.h>
-#endif
+
#include <errno.h>
#include <assert.h>
-#ifdef NEED_GETOPT_H
-# include "getopt.h"
+#ifdef HAVE_GETOPT_H
+#include <getopt.h>
+#else
+#include "wsutil/wsgetopt.h"
#endif
#ifdef NEED_STRPTIME_H
-# include "strptime.h"
-#endif
-
-#ifndef TRUE
-#define TRUE 1
-#endif
-
-#ifndef FALSE
-#define FALSE 0
+# include "wsutil/strptime.h"
#endif
#include "text2pcap.h"
+#include "svnversion.h"
/*--- Options --------------------------------------------------------------------*/
/* Debug level */
-int debug = 0;
+static int debug = 0;
/* Be quiet */
-int quiet = FALSE;
+static int quiet = FALSE;
/* Dummy Ethernet header */
-int hdr_ethernet = FALSE;
-unsigned long hdr_ethernet_proto = 0;
+static int hdr_ethernet = FALSE;
+static unsigned long hdr_ethernet_proto = 0;
/* Dummy IP header */
-int hdr_ip = FALSE;
-unsigned long hdr_ip_proto = 0;
+static int hdr_ip = FALSE;
+static long hdr_ip_proto = 0;
/* Dummy UDP header */
-int hdr_udp = FALSE;
-unsigned long hdr_udp_dest = 0;
-unsigned long hdr_udp_src = 0;
+static int hdr_udp = FALSE;
+static unsigned long hdr_dest_port = 0;
+static unsigned long hdr_src_port = 0;
+
+/* Dummy TCP header */
+static int hdr_tcp = FALSE;
/* Dummy SCTP header */
-int hdr_sctp = FALSE;
-unsigned long hdr_sctp_src = 0;
-unsigned long hdr_sctp_dest = 0;
-unsigned long hdr_sctp_tag = 0;
+static int hdr_sctp = FALSE;
+static unsigned long hdr_sctp_src = 0;
+static unsigned long hdr_sctp_dest = 0;
+static unsigned long hdr_sctp_tag = 0;
/* Dummy DATA chunk header */
-int hdr_data_chunk = FALSE;
-unsigned char hdr_data_chunk_type = 0;
-unsigned char hdr_data_chunk_bits = 3;
-unsigned long hdr_data_chunk_tsn = 0;
-unsigned short hdr_data_chunk_sid = 0;
-unsigned short hdr_data_chunk_ssn = 0;
-unsigned long hdr_data_chunk_ppid = 0;
+static int hdr_data_chunk = FALSE;
+static unsigned char hdr_data_chunk_type = 0;
+static unsigned char hdr_data_chunk_bits = 3;
+static unsigned long hdr_data_chunk_tsn = 0;
+static unsigned short hdr_data_chunk_sid = 0;
+static unsigned short hdr_data_chunk_ssn = 0;
+static unsigned long hdr_data_chunk_ppid = 0;
/*--- Local date -----------------------------------------------------------------*/
/* This is where we store the packet currently being built */
#define MAX_PACKET 64000
-unsigned char packet_buf[MAX_PACKET];
-unsigned long curr_offset = 0;
+static unsigned char packet_buf[MAX_PACKET];
+static unsigned long curr_offset = 0;
+static unsigned long max_offset = MAX_PACKET;
+static unsigned long packet_start = 0;
+static void start_new_packet (void);
/* This buffer contains strings present before the packet offset 0 */
#define PACKET_PREAMBLE_MAX_LEN 2048
static int packet_preamble_len = 0;
/* Number of packets read and written */
-unsigned long num_packets_read = 0;
-unsigned long num_packets_written = 0;
+static unsigned long num_packets_read = 0;
+static unsigned long num_packets_written = 0;
/* Time code of packet, derived from packet_preamble */
-static unsigned long ts_sec = 0;
-static unsigned long ts_usec = 0;
+static time_t ts_sec = 0;
+static guint32 ts_usec = 0;
static char *ts_fmt = NULL;
+static struct tm timecode_default;
/* Input file */
-char *input_filename;
-FILE *input_file = NULL;
+static const char *input_filename;
+static FILE *input_file = NULL;
/* Output file */
-char *output_filename;
-FILE *output_file = NULL;
+static const char *output_filename;
+static FILE *output_file = NULL;
/* Offset base to parse */
-unsigned long offset_base = 16;
+static unsigned long offset_base = 16;
-FILE *yyin;
+extern FILE *yyin;
/* ----- State machine -----------------------------------------------------------*/
START_OF_LINE, /* Starting from beginning of line */
READ_OFFSET, /* Just read the offset */
READ_BYTE, /* Just read a byte */
- READ_TEXT, /* Just read text - ignore until EOL */
+ READ_TEXT /* Just read text - ignore until EOL */
} parser_state_t;
-parser_state_t state = INIT;
+static parser_state_t state = INIT;
-const char *state_str[] = {"Init",
- "Start-of-line",
+static const char *state_str[] = {"Init",
+ "Start-of-line",
"Offset",
"Byte",
"Text"
};
-const char *token_str[] = {"",
- "Byte",
+static const char *token_str[] = {"",
+ "Byte",
"Offset",
"Directive",
"Text",
/* ----- Skeleton Packet Headers --------------------------------------------------*/
typedef struct {
- unsigned char src_addr[6];
- unsigned char dest_addr[6];
- unsigned short l3pid;
+ guint8 dest_addr[6];
+ guint8 src_addr[6];
+ guint16 l3pid;
} hdr_ethernet_t;
-hdr_ethernet_t HDR_ETHERNET = {
- {0x01, 0x01, 0x01, 0x01, 0x01, 0x01},
- {0x02, 0x02, 0x02, 0x02, 0x02, 0x02},
+static hdr_ethernet_t HDR_ETHERNET = {
+ {0x0a, 0x02, 0x02, 0x02, 0x02, 0x02},
+ {0x0a, 0x01, 0x01, 0x01, 0x01, 0x01},
0};
typedef struct {
- unsigned char ver_hdrlen;
- unsigned char dscp;
- unsigned short packet_length;
- unsigned short identification;
- unsigned char flags;
- unsigned char fragment;
- unsigned char ttl;
- unsigned char protocol;
- unsigned short hdr_checksum;
- unsigned long src_addr;
- unsigned long dest_addr;
+ guint8 ver_hdrlen;
+ guint8 dscp;
+ guint16 packet_length;
+ guint16 identification;
+ guint8 flags;
+ guint8 fragment;
+ guint8 ttl;
+ guint8 protocol;
+ guint16 hdr_checksum;
+ guint32 src_addr;
+ guint32 dest_addr;
} hdr_ip_t;
-hdr_ip_t HDR_IP = {0x45, 0, 0, 0x3412, 0, 0, 0xff, 0, 0, 0x01010101, 0x02020202};
+static hdr_ip_t HDR_IP = {0x45, 0, 0, 0x3412, 0, 0, 0xff, 0, 0, 0x0101010a, 0x0202020a};
+
+static struct { /* pseudo header for checksum calculation */
+ guint32 src_addr;
+ guint32 dest_addr;
+ guint8 zero;
+ guint8 protocol;
+ guint16 length;
+} pseudoh;
typedef struct {
- unsigned short source_port;
- unsigned short dest_port;
- unsigned short length;
- unsigned short checksum;
+ guint16 source_port;
+ guint16 dest_port;
+ guint16 length;
+ guint16 checksum;
} hdr_udp_t;
-hdr_udp_t HDR_UDP = {0, 0, 0, 0};
+static hdr_udp_t HDR_UDP = {0, 0, 0, 0};
+
+typedef struct {
+ guint16 source_port;
+ guint16 dest_port;
+ guint32 seq_num;
+ guint32 ack_num;
+ guint8 hdr_length;
+ guint8 flags;
+ guint16 window;
+ guint16 checksum;
+ guint16 urg;
+} hdr_tcp_t;
+
+static hdr_tcp_t HDR_TCP = {0, 0, 0, 0, 0x50, 0, 0, 0, 0};
typedef struct {
- unsigned short src_port;
- unsigned short dest_port;
- unsigned long tag;
- unsigned long checksum;
+ guint16 src_port;
+ guint16 dest_port;
+ guint32 tag;
+ guint32 checksum;
} hdr_sctp_t;
-hdr_sctp_t HDR_SCTP = {0, 0, 0, 0};
+static hdr_sctp_t HDR_SCTP = {0, 0, 0, 0};
typedef struct {
- unsigned char type;
- unsigned char bits;
- unsigned short length;
- unsigned long tsn;
- unsigned short sid;
- unsigned short ssn;
- unsigned long ppid;
+ guint8 type;
+ guint8 bits;
+ guint16 length;
+ guint32 tsn;
+ guint16 sid;
+ guint16 ssn;
+ guint32 ppid;
} hdr_data_chunk_t;
-hdr_data_chunk_t HDR_DATA_CHUNK = {0, 0, 0, 0, 0, 0, 0};
+static hdr_data_chunk_t HDR_DATA_CHUNK = {0, 0, 0, 0, 0, 0, 0};
-char tempbuf[64];
+static char tempbuf[64];
/*----------------------------------------------------------------------
* Stuff for writing a PCap file
/* "libpcap" file header (minus magic number). */
struct pcap_hdr {
- unsigned long magic; /* magic */
- unsigned short version_major; /* major version number */
- unsigned short version_minor; /* minor version number */
- unsigned long thiszone; /* GMT to local correction */
- unsigned long sigfigs; /* accuracy of timestamps */
- unsigned long snaplen; /* max length of captured packets, in octets */
- unsigned long network; /* data link type */
+ guint32 magic; /* magic */
+ guint16 version_major; /* major version number */
+ guint16 version_minor; /* minor version number */
+ guint32 thiszone; /* GMT to local correction */
+ guint32 sigfigs; /* accuracy of timestamps */
+ guint32 snaplen; /* max length of captured packets, in octets */
+ guint32 network; /* data link type */
};
/* "libpcap" record header. */
struct pcaprec_hdr {
- unsigned long ts_sec; /* timestamp seconds */
- unsigned long ts_usec; /* timestamp microseconds */
- unsigned long incl_len; /* number of octets of packet saved in file */
- unsigned long orig_len; /* actual length of packet */
+ guint32 ts_sec; /* timestamp seconds */
+ guint32 ts_usec; /* timestamp microseconds */
+ guint32 incl_len; /* number of octets of packet saved in file */
+ guint32 orig_len; /* actual length of packet */
};
/* Link-layer type; see net/bpf.h for details */
-unsigned long pcap_link_type = 1; /* Default is DLT-EN10MB */
+static unsigned long pcap_link_type = 1; /* Default is DLT-EN10MB */
/*----------------------------------------------------------------------
* Parse a single hex number
* Pass in TRUE if this is an offset, FALSE if not
*/
static unsigned long
-parse_num (char *str, int offset)
+parse_num (const char *str, int offset)
{
unsigned long num;
char *c;
* Write this byte into current packet
*/
static void
-write_byte (char *str)
+write_byte (const char *str)
{
unsigned long num;
num = parse_num(str, FALSE);
- packet_buf[curr_offset] = num;
+ packet_buf[curr_offset] = (unsigned char) num;
curr_offset ++;
+ if (curr_offset >= max_offset) /* packet full */
+ start_new_packet();
}
/*----------------------------------------------------------------------
/*----------------------------------------------------------------------
* Compute one's complement checksum (from RFC1071)
*/
-static unsigned short
+static guint16
in_checksum (void *buf, unsigned long count)
{
unsigned long sum = 0;
- unsigned short *addr = buf;
+ guint16 *addr = buf;
while( count > 1 ) {
/* This is the inner loop */
- sum += ntohs(* (unsigned short *) addr++);
+ sum += g_ntohs(* (guint16 *) addr);
+ addr++;
count -= 2;
}
/* Add left-over byte, if any */
- if( count > 0 )
- sum += * (unsigned char *) addr;
+ if( count > 0 )
+ sum += g_ntohs(* (guint8 *) addr);
/* Fold 32-bit sum to 16 bits */
while (sum>>16)
sum = (sum & 0xffff) + (sum >> 16);
- return htons(~sum);
+ return g_htons(~sum);
}
/* The CRC32C code is taken from draft-ietf-tsvwg-sctpcsum-01.txt.
* That code is copyrighted by D. Otis and has been modified.
*/
-
-#define CRC32C(c,d) (c=(c>>8)^crc_c[(c^(d))&0xFF])
-static unsigned long crc_c[256] =
-{
-0x00000000L, 0xF26B8303L, 0xE13B70F7L, 0x1350F3F4L,
-0xC79A971FL, 0x35F1141CL, 0x26A1E7E8L, 0xD4CA64EBL,
-0x8AD958CFL, 0x78B2DBCCL, 0x6BE22838L, 0x9989AB3BL,
-0x4D43CFD0L, 0xBF284CD3L, 0xAC78BF27L, 0x5E133C24L,
-0x105EC76FL, 0xE235446CL, 0xF165B798L, 0x030E349BL,
-0xD7C45070L, 0x25AFD373L, 0x36FF2087L, 0xC494A384L,
-0x9A879FA0L, 0x68EC1CA3L, 0x7BBCEF57L, 0x89D76C54L,
-0x5D1D08BFL, 0xAF768BBCL, 0xBC267848L, 0x4E4DFB4BL,
-0x20BD8EDEL, 0xD2D60DDDL, 0xC186FE29L, 0x33ED7D2AL,
-0xE72719C1L, 0x154C9AC2L, 0x061C6936L, 0xF477EA35L,
-0xAA64D611L, 0x580F5512L, 0x4B5FA6E6L, 0xB93425E5L,
-0x6DFE410EL, 0x9F95C20DL, 0x8CC531F9L, 0x7EAEB2FAL,
-0x30E349B1L, 0xC288CAB2L, 0xD1D83946L, 0x23B3BA45L,
-0xF779DEAEL, 0x05125DADL, 0x1642AE59L, 0xE4292D5AL,
-0xBA3A117EL, 0x4851927DL, 0x5B016189L, 0xA96AE28AL,
-0x7DA08661L, 0x8FCB0562L, 0x9C9BF696L, 0x6EF07595L,
-0x417B1DBCL, 0xB3109EBFL, 0xA0406D4BL, 0x522BEE48L,
-0x86E18AA3L, 0x748A09A0L, 0x67DAFA54L, 0x95B17957L,
-0xCBA24573L, 0x39C9C670L, 0x2A993584L, 0xD8F2B687L,
-0x0C38D26CL, 0xFE53516FL, 0xED03A29BL, 0x1F682198L,
-0x5125DAD3L, 0xA34E59D0L, 0xB01EAA24L, 0x42752927L,
-0x96BF4DCCL, 0x64D4CECFL, 0x77843D3BL, 0x85EFBE38L,
-0xDBFC821CL, 0x2997011FL, 0x3AC7F2EBL, 0xC8AC71E8L,
-0x1C661503L, 0xEE0D9600L, 0xFD5D65F4L, 0x0F36E6F7L,
-0x61C69362L, 0x93AD1061L, 0x80FDE395L, 0x72966096L,
-0xA65C047DL, 0x5437877EL, 0x4767748AL, 0xB50CF789L,
-0xEB1FCBADL, 0x197448AEL, 0x0A24BB5AL, 0xF84F3859L,
-0x2C855CB2L, 0xDEEEDFB1L, 0xCDBE2C45L, 0x3FD5AF46L,
-0x7198540DL, 0x83F3D70EL, 0x90A324FAL, 0x62C8A7F9L,
-0xB602C312L, 0x44694011L, 0x5739B3E5L, 0xA55230E6L,
-0xFB410CC2L, 0x092A8FC1L, 0x1A7A7C35L, 0xE811FF36L,
-0x3CDB9BDDL, 0xCEB018DEL, 0xDDE0EB2AL, 0x2F8B6829L,
-0x82F63B78L, 0x709DB87BL, 0x63CD4B8FL, 0x91A6C88CL,
-0x456CAC67L, 0xB7072F64L, 0xA457DC90L, 0x563C5F93L,
-0x082F63B7L, 0xFA44E0B4L, 0xE9141340L, 0x1B7F9043L,
-0xCFB5F4A8L, 0x3DDE77ABL, 0x2E8E845FL, 0xDCE5075CL,
-0x92A8FC17L, 0x60C37F14L, 0x73938CE0L, 0x81F80FE3L,
-0x55326B08L, 0xA759E80BL, 0xB4091BFFL, 0x466298FCL,
-0x1871A4D8L, 0xEA1A27DBL, 0xF94AD42FL, 0x0B21572CL,
-0xDFEB33C7L, 0x2D80B0C4L, 0x3ED04330L, 0xCCBBC033L,
-0xA24BB5A6L, 0x502036A5L, 0x4370C551L, 0xB11B4652L,
-0x65D122B9L, 0x97BAA1BAL, 0x84EA524EL, 0x7681D14DL,
-0x2892ED69L, 0xDAF96E6AL, 0xC9A99D9EL, 0x3BC21E9DL,
-0xEF087A76L, 0x1D63F975L, 0x0E330A81L, 0xFC588982L,
-0xB21572C9L, 0x407EF1CAL, 0x532E023EL, 0xA145813DL,
-0x758FE5D6L, 0x87E466D5L, 0x94B49521L, 0x66DF1622L,
-0x38CC2A06L, 0xCAA7A905L, 0xD9F75AF1L, 0x2B9CD9F2L,
-0xFF56BD19L, 0x0D3D3E1AL, 0x1E6DCDEEL, 0xEC064EEDL,
-0xC38D26C4L, 0x31E6A5C7L, 0x22B65633L, 0xD0DDD530L,
-0x0417B1DBL, 0xF67C32D8L, 0xE52CC12CL, 0x1747422FL,
-0x49547E0BL, 0xBB3FFD08L, 0xA86F0EFCL, 0x5A048DFFL,
-0x8ECEE914L, 0x7CA56A17L, 0x6FF599E3L, 0x9D9E1AE0L,
-0xD3D3E1ABL, 0x21B862A8L, 0x32E8915CL, 0xC083125FL,
-0x144976B4L, 0xE622F5B7L, 0xF5720643L, 0x07198540L,
-0x590AB964L, 0xAB613A67L, 0xB831C993L, 0x4A5A4A90L,
-0x9E902E7BL, 0x6CFBAD78L, 0x7FAB5E8CL, 0x8DC0DD8FL,
-0xE330A81AL, 0x115B2B19L, 0x020BD8EDL, 0xF0605BEEL,
-0x24AA3F05L, 0xD6C1BC06L, 0xC5914FF2L, 0x37FACCF1L,
-0x69E9F0D5L, 0x9B8273D6L, 0x88D28022L, 0x7AB90321L,
-0xAE7367CAL, 0x5C18E4C9L, 0x4F48173DL, 0xBD23943EL,
-0xF36E6F75L, 0x0105EC76L, 0x12551F82L, 0xE03E9C81L,
-0x34F4F86AL, 0xC69F7B69L, 0xD5CF889DL, 0x27A40B9EL,
-0x79B737BAL, 0x8BDCB4B9L, 0x988C474DL, 0x6AE7C44EL,
-0xBE2DA0A5L, 0x4C4623A6L, 0x5F16D052L, 0xAD7D5351L,
-};
-
-static unsigned long
-crc32c(const unsigned char* buf, unsigned int len, unsigned long crc32_init)
+
+#define CRC32C(c,d) (c=(c>>8)^crc_c[(c^(d))&0xFF])
+static guint32 crc_c[256] =
{
- unsigned int i;
- unsigned long crc32;
-
+0x00000000L, 0xF26B8303L, 0xE13B70F7L, 0x1350F3F4L,
+0xC79A971FL, 0x35F1141CL, 0x26A1E7E8L, 0xD4CA64EBL,
+0x8AD958CFL, 0x78B2DBCCL, 0x6BE22838L, 0x9989AB3BL,
+0x4D43CFD0L, 0xBF284CD3L, 0xAC78BF27L, 0x5E133C24L,
+0x105EC76FL, 0xE235446CL, 0xF165B798L, 0x030E349BL,
+0xD7C45070L, 0x25AFD373L, 0x36FF2087L, 0xC494A384L,
+0x9A879FA0L, 0x68EC1CA3L, 0x7BBCEF57L, 0x89D76C54L,
+0x5D1D08BFL, 0xAF768BBCL, 0xBC267848L, 0x4E4DFB4BL,
+0x20BD8EDEL, 0xD2D60DDDL, 0xC186FE29L, 0x33ED7D2AL,
+0xE72719C1L, 0x154C9AC2L, 0x061C6936L, 0xF477EA35L,
+0xAA64D611L, 0x580F5512L, 0x4B5FA6E6L, 0xB93425E5L,
+0x6DFE410EL, 0x9F95C20DL, 0x8CC531F9L, 0x7EAEB2FAL,
+0x30E349B1L, 0xC288CAB2L, 0xD1D83946L, 0x23B3BA45L,
+0xF779DEAEL, 0x05125DADL, 0x1642AE59L, 0xE4292D5AL,
+0xBA3A117EL, 0x4851927DL, 0x5B016189L, 0xA96AE28AL,
+0x7DA08661L, 0x8FCB0562L, 0x9C9BF696L, 0x6EF07595L,
+0x417B1DBCL, 0xB3109EBFL, 0xA0406D4BL, 0x522BEE48L,
+0x86E18AA3L, 0x748A09A0L, 0x67DAFA54L, 0x95B17957L,
+0xCBA24573L, 0x39C9C670L, 0x2A993584L, 0xD8F2B687L,
+0x0C38D26CL, 0xFE53516FL, 0xED03A29BL, 0x1F682198L,
+0x5125DAD3L, 0xA34E59D0L, 0xB01EAA24L, 0x42752927L,
+0x96BF4DCCL, 0x64D4CECFL, 0x77843D3BL, 0x85EFBE38L,
+0xDBFC821CL, 0x2997011FL, 0x3AC7F2EBL, 0xC8AC71E8L,
+0x1C661503L, 0xEE0D9600L, 0xFD5D65F4L, 0x0F36E6F7L,
+0x61C69362L, 0x93AD1061L, 0x80FDE395L, 0x72966096L,
+0xA65C047DL, 0x5437877EL, 0x4767748AL, 0xB50CF789L,
+0xEB1FCBADL, 0x197448AEL, 0x0A24BB5AL, 0xF84F3859L,
+0x2C855CB2L, 0xDEEEDFB1L, 0xCDBE2C45L, 0x3FD5AF46L,
+0x7198540DL, 0x83F3D70EL, 0x90A324FAL, 0x62C8A7F9L,
+0xB602C312L, 0x44694011L, 0x5739B3E5L, 0xA55230E6L,
+0xFB410CC2L, 0x092A8FC1L, 0x1A7A7C35L, 0xE811FF36L,
+0x3CDB9BDDL, 0xCEB018DEL, 0xDDE0EB2AL, 0x2F8B6829L,
+0x82F63B78L, 0x709DB87BL, 0x63CD4B8FL, 0x91A6C88CL,
+0x456CAC67L, 0xB7072F64L, 0xA457DC90L, 0x563C5F93L,
+0x082F63B7L, 0xFA44E0B4L, 0xE9141340L, 0x1B7F9043L,
+0xCFB5F4A8L, 0x3DDE77ABL, 0x2E8E845FL, 0xDCE5075CL,
+0x92A8FC17L, 0x60C37F14L, 0x73938CE0L, 0x81F80FE3L,
+0x55326B08L, 0xA759E80BL, 0xB4091BFFL, 0x466298FCL,
+0x1871A4D8L, 0xEA1A27DBL, 0xF94AD42FL, 0x0B21572CL,
+0xDFEB33C7L, 0x2D80B0C4L, 0x3ED04330L, 0xCCBBC033L,
+0xA24BB5A6L, 0x502036A5L, 0x4370C551L, 0xB11B4652L,
+0x65D122B9L, 0x97BAA1BAL, 0x84EA524EL, 0x7681D14DL,
+0x2892ED69L, 0xDAF96E6AL, 0xC9A99D9EL, 0x3BC21E9DL,
+0xEF087A76L, 0x1D63F975L, 0x0E330A81L, 0xFC588982L,
+0xB21572C9L, 0x407EF1CAL, 0x532E023EL, 0xA145813DL,
+0x758FE5D6L, 0x87E466D5L, 0x94B49521L, 0x66DF1622L,
+0x38CC2A06L, 0xCAA7A905L, 0xD9F75AF1L, 0x2B9CD9F2L,
+0xFF56BD19L, 0x0D3D3E1AL, 0x1E6DCDEEL, 0xEC064EEDL,
+0xC38D26C4L, 0x31E6A5C7L, 0x22B65633L, 0xD0DDD530L,
+0x0417B1DBL, 0xF67C32D8L, 0xE52CC12CL, 0x1747422FL,
+0x49547E0BL, 0xBB3FFD08L, 0xA86F0EFCL, 0x5A048DFFL,
+0x8ECEE914L, 0x7CA56A17L, 0x6FF599E3L, 0x9D9E1AE0L,
+0xD3D3E1ABL, 0x21B862A8L, 0x32E8915CL, 0xC083125FL,
+0x144976B4L, 0xE622F5B7L, 0xF5720643L, 0x07198540L,
+0x590AB964L, 0xAB613A67L, 0xB831C993L, 0x4A5A4A90L,
+0x9E902E7BL, 0x6CFBAD78L, 0x7FAB5E8CL, 0x8DC0DD8FL,
+0xE330A81AL, 0x115B2B19L, 0x020BD8EDL, 0xF0605BEEL,
+0x24AA3F05L, 0xD6C1BC06L, 0xC5914FF2L, 0x37FACCF1L,
+0x69E9F0D5L, 0x9B8273D6L, 0x88D28022L, 0x7AB90321L,
+0xAE7367CAL, 0x5C18E4C9L, 0x4F48173DL, 0xBD23943EL,
+0xF36E6F75L, 0x0105EC76L, 0x12551F82L, 0xE03E9C81L,
+0x34F4F86AL, 0xC69F7B69L, 0xD5CF889DL, 0x27A40B9EL,
+0x79B737BAL, 0x8BDCB4B9L, 0x988C474DL, 0x6AE7C44EL,
+0xBE2DA0A5L, 0x4C4623A6L, 0x5F16D052L, 0xAD7D5351L,
+};
+
+static guint32
+crc32c(const guint8* buf, unsigned int len, guint32 crc32_init)
+{
+ unsigned int i;
+ guint32 crc32;
+
crc32 = crc32_init;
- for (i = 0; i < len; i++)
- CRC32C(crc32, buf[i]);
+ for (i = 0; i < len; i++)
+ CRC32C(crc32, buf[i]);
return ( crc32 );
}
-static unsigned long
-finalize_crc32c(unsigned long crc32)
+static guint32
+finalize_crc32c(guint32 crc32)
{
- unsigned long result;
- unsigned char byte0,byte1,byte2,byte3;
-
+ guint32 result;
+ guint8 byte0,byte1,byte2,byte3;
+
result = ~crc32;
byte0 = result & 0xff;
byte1 = (result>>8) & 0xff;
}
/*----------------------------------------------------------------------
- * Write current packet out
+ * Write current packet out
*/
static void
write_current_packet (void)
{
int length = 0;
- int udp_length = 0;
+ int proto_length = 0;
int ip_length = 0;
int eth_trailer_length = 0;
int i, padding_length;
+ guint32 u;
struct pcaprec_hdr ph;
if (curr_offset > 0) {
length = curr_offset;
if (hdr_data_chunk) { length += sizeof(HDR_DATA_CHUNK) + number_of_padding_bytes(curr_offset); }
if (hdr_sctp) { length += sizeof(HDR_SCTP); }
- if (hdr_udp) { length += sizeof(HDR_UDP); udp_length = length; }
+ if (hdr_udp) { length += sizeof(HDR_UDP); proto_length = length; }
+ if (hdr_tcp) { length += sizeof(HDR_TCP); proto_length = length; }
if (hdr_ip) { length += sizeof(HDR_IP); ip_length = length; }
if (hdr_ethernet) {
length += sizeof(HDR_ETHERNET);
}
}
- /* Write PCap header */
- ph.ts_sec = ts_sec;
+ /* Write PCAP header */
+ ph.ts_sec = (guint32)ts_sec;
ph.ts_usec = ts_usec;
+ if (ts_fmt == NULL) { ts_usec++; } /* fake packet counter */
ph.incl_len = length;
ph.orig_len = length;
fwrite(&ph, sizeof(ph), 1, output_file);
-
+
/* Write Ethernet header */
if (hdr_ethernet) {
- HDR_ETHERNET.l3pid = htons(hdr_ethernet_proto);
+ HDR_ETHERNET.l3pid = g_htons(hdr_ethernet_proto);
fwrite(&HDR_ETHERNET, sizeof(HDR_ETHERNET), 1, output_file);
}
/* Write IP header */
if (hdr_ip) {
- HDR_IP.packet_length = htons(ip_length);
- HDR_IP.protocol = hdr_ip_proto;
+ HDR_IP.packet_length = g_htons(ip_length);
+ HDR_IP.protocol = (guint8) hdr_ip_proto;
HDR_IP.hdr_checksum = 0;
HDR_IP.hdr_checksum = in_checksum(&HDR_IP, sizeof(HDR_IP));
fwrite(&HDR_IP, sizeof(HDR_IP), 1, output_file);
}
+ /* initialize pseudo header for checksum calculation */
+ pseudoh.src_addr = HDR_IP.src_addr;
+ pseudoh.dest_addr = HDR_IP.dest_addr;
+ pseudoh.zero = 0;
+ pseudoh.protocol = (guint8) hdr_ip_proto;
+ pseudoh.length = g_htons(proto_length);
+
/* Write UDP header */
if (hdr_udp) {
- HDR_UDP.source_port = htons(hdr_udp_src);
- HDR_UDP.dest_port = htons(hdr_udp_dest);
- HDR_UDP.length = htons(udp_length);
-
+ HDR_UDP.source_port = g_htons(hdr_src_port);
+ HDR_UDP.dest_port = g_htons(hdr_dest_port);
+ HDR_UDP.length = g_htons(proto_length);
+
+ HDR_UDP.checksum = 0;
+ u = g_ntohs(in_checksum(&pseudoh, sizeof(pseudoh))) +
+ g_ntohs(in_checksum(&HDR_UDP, sizeof(HDR_UDP))) +
+ g_ntohs(in_checksum(packet_buf, curr_offset));
+ HDR_UDP.checksum = g_htons((u & 0xffff) + (u>>16));
+ if (HDR_UDP.checksum == 0) /* differenciate between 'none' and 0 */
+ HDR_UDP.checksum = g_htons(1);
+
fwrite(&HDR_UDP, sizeof(HDR_UDP), 1, output_file);
}
-
+
+ /* Write TCP header */
+ if (hdr_tcp) {
+ HDR_TCP.source_port = g_htons(hdr_src_port);
+ HDR_TCP.dest_port = g_htons(hdr_dest_port);
+ /* HDR_TCP.seq_num already correct */
+ HDR_TCP.window = g_htons(0x2000);
+
+ HDR_TCP.checksum = 0;
+ u = g_ntohs(in_checksum(&pseudoh, sizeof(pseudoh))) +
+ g_ntohs(in_checksum(&HDR_TCP, sizeof(HDR_TCP))) +
+ g_ntohs(in_checksum(packet_buf, curr_offset));
+ HDR_TCP.checksum = g_htons((u & 0xffff) + (u>>16));
+ if (HDR_TCP.checksum == 0) /* differenciate between 'none' and 0 */
+ HDR_TCP.checksum = g_htons(1);
+
+ fwrite(&HDR_TCP, sizeof(HDR_TCP), 1, output_file);
+ }
+
/* Compute DATA chunk header and append padding */
if (hdr_data_chunk) {
HDR_DATA_CHUNK.type = hdr_data_chunk_type;
HDR_DATA_CHUNK.bits = hdr_data_chunk_bits;
- HDR_DATA_CHUNK.length = htons(curr_offset + sizeof(HDR_DATA_CHUNK));
- HDR_DATA_CHUNK.tsn = htonl(hdr_data_chunk_tsn);
- HDR_DATA_CHUNK.sid = htons(hdr_data_chunk_sid);
- HDR_DATA_CHUNK.ssn = htons(hdr_data_chunk_ssn);
- HDR_DATA_CHUNK.ppid = htonl(hdr_data_chunk_ppid);
-
+ HDR_DATA_CHUNK.length = g_htons(curr_offset + sizeof(HDR_DATA_CHUNK));
+ HDR_DATA_CHUNK.tsn = g_htonl(hdr_data_chunk_tsn);
+ HDR_DATA_CHUNK.sid = g_htons(hdr_data_chunk_sid);
+ HDR_DATA_CHUNK.ssn = g_htons(hdr_data_chunk_ssn);
+ HDR_DATA_CHUNK.ppid = g_htonl(hdr_data_chunk_ppid);
+
padding_length = number_of_padding_bytes(curr_offset);
for (i=0; i<padding_length; i++)
write_byte("0");
}
-
+
/* Write SCTP header */
if (hdr_sctp) {
- HDR_SCTP.src_port = htons(hdr_sctp_src);
- HDR_SCTP.dest_port = htons(hdr_sctp_dest);
- HDR_SCTP.tag = htonl(hdr_sctp_tag);
- HDR_SCTP.checksum = htonl(0);
- HDR_SCTP.checksum = crc32c((unsigned char *)&HDR_SCTP, sizeof(HDR_SCTP), ~0L);
+ HDR_SCTP.src_port = g_htons(hdr_sctp_src);
+ HDR_SCTP.dest_port = g_htons(hdr_sctp_dest);
+ HDR_SCTP.tag = g_htonl(hdr_sctp_tag);
+ HDR_SCTP.checksum = g_htonl(0);
+ HDR_SCTP.checksum = crc32c((guint8 *)&HDR_SCTP, sizeof(HDR_SCTP), ~0L);
if (hdr_data_chunk)
- HDR_SCTP.checksum = crc32c((unsigned char *)&HDR_DATA_CHUNK, sizeof(HDR_DATA_CHUNK), HDR_SCTP.checksum);
- HDR_SCTP.checksum = htonl(finalize_crc32c(crc32c(packet_buf, curr_offset, HDR_SCTP.checksum)));
-
+ HDR_SCTP.checksum = crc32c((guint8 *)&HDR_DATA_CHUNK, sizeof(HDR_DATA_CHUNK), HDR_SCTP.checksum);
+ HDR_SCTP.checksum = g_htonl(finalize_crc32c(crc32c(packet_buf, curr_offset, HDR_SCTP.checksum)));
+
fwrite(&HDR_SCTP, sizeof(HDR_SCTP), 1, output_file);
}
-
+
/* Write DATA chunk header */
if (hdr_data_chunk) {
fwrite(&HDR_DATA_CHUNK, sizeof(HDR_DATA_CHUNK), 1, output_file);
}
if (!quiet)
- fprintf(stderr, "Wrote packet of %lu bytes\n", curr_offset);
+ fprintf(stderr, "Wrote packet of %lu bytes at %u\n", curr_offset, g_ntohl(HDR_TCP.seq_num));
num_packets_written ++;
}
+
+ HDR_TCP.seq_num = g_htonl(g_ntohl(HDR_TCP.seq_num) + curr_offset);
+
+ packet_start += curr_offset;
curr_offset = 0;
}
/*----------------------------------------------------------------------
- * Write the PCap file header
+ * Write the PCap file header
*/
static void
write_file_header (void)
if (toklen != 0) {
if (packet_preamble_len + toklen > PACKET_PREAMBLE_MAX_LEN)
return; /* no room to add the token to the preamble */
- strcpy(&packet_preamble[packet_preamble_len], str);
- packet_preamble_len += toklen;
+ g_strlcpy(&packet_preamble[packet_preamble_len], str, PACKET_PREAMBLE_MAX_LEN);
+ packet_preamble_len += (int) toklen;
+ if (debug >= 2) {
+ char *c;
+ char xs[PACKET_PREAMBLE_MAX_LEN];
+ g_strlcpy(xs, packet_preamble, PACKET_PREAMBLE_MAX_LEN);
+ while ((c = strchr(xs, '\r')) != NULL) *c=' ';
+ fprintf (stderr, "[[append_to_preamble: \"%s\"]]", xs);
+ }
}
}
/*----------------------------------------------------------------------
* Parse the preamble to get the timecode.
*/
+
static void
parse_preamble (void)
{
if (ts_fmt == NULL)
return;
- ts_sec = 0;
+ /*
+ * Initialize to today localtime, just in case not all fields
+ * of the date and time are specified.
+ */
+
+ timecode = timecode_default;
ts_usec = 0;
/*
* This should cover line breaks etc that get counted.
*/
if ( strlen(packet_preamble) > 2 ) {
- /*
- * Initialize to the Epoch, just in case not all fields
- * of the date and time are specified.
- */
- timecode.tm_sec = 0;
- timecode.tm_min = 0;
- timecode.tm_hour = 0;
- timecode.tm_mday = 1;
- timecode.tm_mon = 0;
- timecode.tm_year = 70;
- timecode.tm_wday = 0;
- timecode.tm_yday = 0;
- timecode.tm_isdst = -1;
-
/* Get Time leaving subseconds */
subsecs = strptime( packet_preamble, ts_fmt, &timecode );
if (subsecs != NULL) {
/* Get the long time from the tm structure */
- ts_sec = (unsigned long)mktime( &timecode );
+ /* (will return -1 if failure) */
+ ts_sec = mktime( &timecode );
} else
ts_sec = -1; /* we failed to parse it */
/* This will ensure incorrectly parsed dates get set to zero */
- if ( -1L == (long)ts_sec )
+ if ( -1 == ts_sec )
{
- ts_sec = 0;
+ /* Sanitize - remove all '\r' */
+ char *c;
+ while ((c = strchr(packet_preamble, '\r')) != NULL) *c=' ';
+ fprintf (stderr, "Failure processing time \"%s\" using time format \"%s\"\n (defaulting to Jan 1,1970 00:00:00 GMT)\n",
+ packet_preamble, ts_fmt);
+ if (debug >= 2) {
+ fprintf(stderr, "timecode: %02d/%02d/%d %02d:%02d:%02d %d\n",
+ timecode.tm_mday, timecode.tm_mon, timecode.tm_year,
+ timecode.tm_hour, timecode.tm_min, timecode.tm_sec, timecode.tm_isdst);
+ }
+ ts_sec = 0; /* Jan 1,1970: 00:00 GMT; tshark/wireshark will display date/time as adjusted by timezone */
ts_usec = 0;
}
else
* 10^-6 seconds, we multiply by
* 10^(6-N).
*/
- subseclen = p - subsecs;
+ subseclen = (int) (p - subsecs);
if (subseclen > 6) {
/*
* *More* than 6 digits; 6-N is
}
}
}
+ if (debug >= 2) {
+ char *c;
+ while ((c = strchr(packet_preamble, '\r')) != NULL) *c=' ';
+ fprintf(stderr, "[[parse_preamble: \"%s\"]]\n", packet_preamble);
+ fprintf(stderr, "Format(%s), time(%u), subsecs(%u)\n", ts_fmt, (guint32)ts_sec, ts_usec);
+ }
- /*printf("Format(%s), time(%u), subsecs(%u)\n\n", ts_fmt, ts_sec, ts_usec);*/
-
/* Clear Preamble */
packet_preamble_len = 0;
}
/*----------------------------------------------------------------------
- * Start a new packet
+ * Start a new packet
*/
static void
start_new_packet (void)
{
- if (debug>=1)
+ if (debug>=1)
fprintf(stderr, "Start new packet\n");
/* Write out the current packet, if required */
write_current_packet();
- curr_offset = 0;
num_packets_read ++;
/* Ensure we parse the packet preamble as it may contain the time */
/*----------------------------------------------------------------------
* Parse a single token (called from the scanner)
*/
-void
+void
parse_token (token_t token, char *str)
{
unsigned long num;
- /*
- * This is implemented as a simple state machine of five states.
- * State transitions are caused by tokens being received from the
+ /*
+ * This is implemented as a simple state machine of five states.
+ * State transitions are caused by tokens being received from the
* scanner. The code should be self_documenting.
*/
/* Sanitize - remove all '\r' */
char *c;
if (str!=NULL) { while ((c = strchr(str, '\r')) != NULL) *c=' '; }
-
- fprintf(stderr, "(%s, %s \"%s\") -> (",
+
+ fprintf(stderr, "(%s, %s \"%s\") -> (",
state_str[state], token_str[token], str ? str : "");
}
if (num==0) {
/* New packet starts here */
start_new_packet();
+ packet_start = 0;
state = READ_OFFSET;
- } else if (num != curr_offset) {
+ } else if ((num - packet_start) != curr_offset) {
/*
* The offset we read isn't the one we expected.
* This may only mean that we mistakenly interpreted
} else {
/* Bad offset; switch to INIT state */
if (debug>=1)
- fprintf(stderr, "Inconsistent offset. Expecting %0lX, got %0lX. Ignoring rest of packet\n",
+ fprintf(stderr, "Inconsistent offset. Expecting %0lX, got %0lX. Ignoring rest of packet\n",
curr_offset, num);
write_current_packet();
state = INIT;
}
- } else
+ } else
state = READ_OFFSET;
break;
default:
exit(-1);
}
- if (debug>=2)
+ if (debug>=2)
fprintf(stderr, ", %s)\n", state_str[state]);
}
/*----------------------------------------------------------------------
- * Print helpstring and exit
+ * Print usage string and exit
*/
static void
-help (char *progname)
+usage (void)
{
- fprintf(stderr,
+ fprintf(stderr,
+ "Text2pcap %s"
+#ifdef SVNVERSION
+ " (" SVNVERSION " from " SVNPATH ")"
+#endif
+ "\n"
+ "Generate a capture file from an ASCII hexdump of packets.\n"
+ "See http://www.wireshark.org for more information.\n"
"\n"
- "Usage: %s [-d] [-q] [-o h|o] [-l typenum] [-e l3pid] [-i proto] \n"
- " [-u srcp,destp] [-s srcp,destp,tag] [-S srcp,destp,tag] [-t timefmt] <input-filename> <output-filename>\n"
+ "Usage: text2pcap [options] <infile> <outfile>\n"
"\n"
- "where <input-filename> specifies input filename (use - for standard input)\n"
- " <output-filename> specifies output filename (use - for standard output)\n"
+ "where <infile> specifies input filename (use - for standard input)\n"
+ " <outfile> specifies output filename (use - for standard output)\n"
"\n"
- "[options] are one or more of the following \n"
+ "Input:\n"
+ " -o hex|oct|dec parse offsets as (h)ex, (o)ctal or (d)ecimal; default is hex.\n"
+ " -t <timefmt> treat the text before the packet as a date/time code;\n"
+ " the specified argument is a format string of the sort\n"
+ " supported by strptime.\n"
+ " Example: The time \"10:15:14.5476\" has the format code\n"
+ " \"%%H:%%M:%%S.\"\n"
+ " NOTE: The subsecond component delimiter must be given\n"
+ " (.) but no pattern is required; the remaining number\n"
+ " is assumed to be fractions of a second.\n"
+ " NOTE: Date/time fields from the current date/time are\n"
+ " used as the default for unspecified fields.\n"
"\n"
- " -w filename : Write capfile to <filename>. Default is standard output\n"
- " -h : Display this help message \n"
- " -d : Generate detailed debug of parser states \n"
- " -o hex|oct : Parse offsets as (h)ex or (o)ctal. Default is hex\n"
- " -l typenum : Specify link-layer type number. Default is 1 (Ethernet). \n"
- " See net/bpf.h for list of numbers.\n"
- " -q : Generate no output at all (automatically turns off -d)\n"
- " -e l3pid : Prepend dummy Ethernet II header with specified L3PID (in HEX)\n"
- " Example: -e 0x800\n"
- " -i proto : Prepend dummy IP header with specified IP protocol (in DECIMAL). \n"
- " Automatically prepends Ethernet header as well. Example: -i 46\n"
- " -u srcp,destp : Prepend dummy UDP header with specified dest and source ports (in DECIMAL).\n"
- " Automatically prepends Ethernet and IP headers as well\n"
- " Example: -u 30,40\n"
- " -s srcp,dstp,tag: Prepend dummy SCTP header with specified dest/source ports and\n"
- " verification tag (in DECIMAL).\n"
- " Automatically prepends Ethernet and IP headers as well\n"
- " Example: -s 30,40,34\n"
- " -S srcp,dstp,ppi: Prepend dummy SCTP header with specified dest/source ports and\n"
- " verification tag 0. It also prepends a dummy SCTP DATA chunk header\n"
- " with payload protocol identifier ppi.\n"
- " Example: -S 30,40,34\n"
- " -t timefmt : Treats the text before the packet as a date/time code; the\n"
- " specified argument is a format string of the sort supported\n"
- " by strptime.\n"
- " Example: The time \"10:15:14.5476\" has the format code\n"
- " \"%%H:%%M:%%S.\"\n"
- " NOTE: The subsecond component delimiter must be specified\n"
- " (.) but no pattern is required; the remaining number\n"
- " is assumed to be fractions of a second.\n"
+ "Output:\n"
+ " -l <typenum> link-layer type number; default is 1 (Ethernet).\n"
+ " See the file net/bpf.h for list of numbers.\n"
+ " Use this option if your dump is a complete hex dump\n"
+ " of an encapsulated packet and you wish to specify\n"
+ " the exact type of encapsulation.\n"
+ " Example: -l 7 for ARCNet packets.\n"
+ " -m <max-packet> max packet length in output; default is %d\n"
+ "\n"
+ "Prepend dummy header:\n"
+ " -e <l3pid> prepend dummy Ethernet II header with specified L3PID\n"
+ " (in HEX).\n"
+ " Example: -e 0x806 to specify an ARP packet.\n"
+ " -i <proto> prepend dummy IP header with specified IP protocol\n"
+ " (in DECIMAL).\n"
+ " Automatically prepends Ethernet header as well.\n"
+ " Example: -i 46\n"
+ " -u <srcp>,<destp> prepend dummy UDP header with specified\n"
+ " dest and source ports (in DECIMAL).\n"
+ " Automatically prepends Ethernet & IP headers as well.\n"
+ " Example: -u 1000 69 to make the packets look like TFTP/UDP packets.\n"
+ " -T <srcp>,<destp> prepend dummy TCP header with specified\n"
+ " dest and source ports (in DECIMAL).\n"
+ " Automatically prepends Ethernet & IP headers as well.\n"
+ " Example: -T 50,60\n"
+ " -s <srcp>,<dstp>,<tag> prepend dummy SCTP header with specified\n"
+ " dest/source ports and verification tag (in DECIMAL).\n"
+ " Automatically prepends Ethernet & IP headers as well.\n"
+ " Example: -s 30,40,34\n"
+ " -S <srcp>,<dstp>,<ppi> prepend dummy SCTP header with specified\n"
+ " dest/source ports and verification tag 0.\n"
+ " Automatically prepends a dummy SCTP DATA\n"
+ " chunk header with payload protocol identifier ppi.\n"
+ " Example: -S 30,40,34\n"
+ "\n"
+ "Miscellaneous:\n"
+ " -h display this help and exit.\n"
+ " -d show detailed debug of parser states.\n"
+ " -q generate no output at all (automatically turns off -d).\n"
"",
- progname);
+ VERSION, MAX_PACKET);
exit(-1);
}
/*----------------------------------------------------------------------
- * Parse CLI options
+ * Parse CLI options
*/
static void
parse_options (int argc, char *argv[])
char *p;
/* Scan CLI parameters */
- while ((c = getopt(argc, argv, "dqr:w:e:i:l:o:u:s:S:t:")) != -1) {
+ while ((c = getopt(argc, argv, "dhqe:i:l:m:o:u:s:S:t:T:")) != -1) {
switch(c) {
- case '?': help(argv[0]); break;
- case 'h': help(argv[0]); break;
+ case '?': usage(); break;
+ case 'h': usage(); break;
case 'd': if (!quiet) debug++; break;
case 'q': quiet = TRUE; debug = FALSE; break;
- case 'l': pcap_link_type = atoi(optarg); break;
- case 'o':
- if (optarg[0]!='h' && optarg[0] != 'o') {
- fprintf(stderr, "Bad argument for '-e': %s\n", optarg);
- help(argv[0]);
+ case 'l': pcap_link_type = strtol(optarg, NULL, 0); break;
+ case 'm': max_offset = strtol(optarg, NULL, 0); break;
+ case 'o':
+ if (optarg[0]!='h' && optarg[0] != 'o' && optarg[0] != 'd') {
+ fprintf(stderr, "Bad argument for '-o': %s\n", optarg);
+ usage();
}
- offset_base = (optarg[0]=='o') ? 8 : 16;
+ switch(optarg[0]) {
+ case 'o': offset_base = 8; break;
+ case 'h': offset_base = 16; break;
+ case 'd': offset_base = 10; break;
+ }
break;
case 'e':
hdr_ethernet = TRUE;
if (sscanf(optarg, "%lx", &hdr_ethernet_proto) < 1) {
fprintf(stderr, "Bad argument for '-e': %s\n", optarg);
- help(argv[0]);
+ usage();
}
break;
-
+
case 'i':
hdr_ip = TRUE;
- if (sscanf(optarg, "%ld", &hdr_ip_proto) < 1) {
+ hdr_ip_proto = strtol(optarg, &p, 10);
+ if (p == optarg || *p != '\0' || hdr_ip_proto < 0 ||
+ hdr_ip_proto > 255) {
fprintf(stderr, "Bad argument for '-i': %s\n", optarg);
- help(argv[0]);
+ usage();
}
hdr_ethernet = TRUE;
hdr_ethernet_proto = 0x800;
break;
-
+
case 's':
hdr_sctp = TRUE;
hdr_sctp_src = strtol(optarg, &p, 10);
if (p == optarg || (*p != ',' && *p != '\0')) {
fprintf(stderr, "Bad src port for '-%c'\n", c);
- help(argv[0]);
+ usage();
}
if (*p == '\0') {
fprintf(stderr, "No dest port specified for '-%c'\n", c);
- help(argv[0]);
+ usage();
}
p++;
optarg = p;
hdr_sctp_dest = strtol(optarg, &p, 10);
if (p == optarg || (*p != ',' && *p != '\0')) {
fprintf(stderr, "Bad dest port for '-s'\n");
- help(argv[0]);
- }
+ usage();
+ }
if (*p == '\0') {
fprintf(stderr, "No tag specified for '-%c'\n", c);
- help(argv[0]);
+ usage();
}
p++;
optarg = p;
hdr_sctp_tag = strtol(optarg, &p, 10);
if (p == optarg || *p != '\0') {
fprintf(stderr, "Bad tag for '-%c'\n", c);
- help(argv[0]);
+ usage();
}
hdr_ip = TRUE;
hdr_sctp_src = strtol(optarg, &p, 10);
if (p == optarg || (*p != ',' && *p != '\0')) {
fprintf(stderr, "Bad src port for '-%c'\n", c);
- help(argv[0]);
+ usage();
}
if (*p == '\0') {
fprintf(stderr, "No dest port specified for '-%c'\n", c);
- help(argv[0]);
+ usage();
}
p++;
optarg = p;
hdr_sctp_dest = strtol(optarg, &p, 10);
if (p == optarg || (*p != ',' && *p != '\0')) {
fprintf(stderr, "Bad dest port for '-s'\n");
- help(argv[0]);
- } if (*p == '\0') {
+ usage();
+ }
+ if (*p == '\0') {
fprintf(stderr, "No ppi specified for '-%c'\n", c);
- help(argv[0]);
+ usage();
}
p++;
optarg = p;
hdr_data_chunk_ppid = strtoul(optarg, &p, 10);
if (p == optarg || *p != '\0') {
fprintf(stderr, "Bad ppi for '-%c'\n", c);
- help(argv[0]);
+ usage();
}
hdr_ip = TRUE;
case 't':
ts_fmt = optarg;
break;
-
+
case 'u':
hdr_udp = TRUE;
- hdr_udp_src = strtol(optarg, &p, 10);
+ hdr_tcp = FALSE;
+ hdr_src_port = strtol(optarg, &p, 10);
if (p == optarg || (*p != ',' && *p != '\0')) {
fprintf(stderr, "Bad src port for '-u'\n");
- help(argv[0]);
+ usage();
}
if (*p == '\0') {
fprintf(stderr, "No dest port specified for '-u'\n");
- help(argv[0]);
+ usage();
}
p++;
optarg = p;
- hdr_udp_dest = strtol(optarg, &p, 10);
+ hdr_dest_port = strtol(optarg, &p, 10);
if (p == optarg || *p != '\0') {
fprintf(stderr, "Bad dest port for '-u'\n");
- help(argv[0]);
+ usage();
}
hdr_ip = TRUE;
hdr_ip_proto = 17;
hdr_ethernet = TRUE;
hdr_ethernet_proto = 0x800;
break;
-
+
+ case 'T':
+ hdr_tcp = TRUE;
+ hdr_udp = FALSE;
+ hdr_src_port = strtol(optarg, &p, 10);
+ if (p == optarg || (*p != ',' && *p != '\0')) {
+ fprintf(stderr, "Bad src port for '-T'\n");
+ usage();
+ }
+ if (*p == '\0') {
+ fprintf(stderr, "No dest port specified for '-u'\n");
+ usage();
+ }
+ p++;
+ optarg = p;
+ hdr_dest_port = strtol(optarg, &p, 10);
+ if (p == optarg || *p != '\0') {
+ fprintf(stderr, "Bad dest port for '-T'\n");
+ usage();
+ }
+ hdr_ip = TRUE;
+ hdr_ip_proto = 6;
+ hdr_ethernet = TRUE;
+ hdr_ethernet_proto = 0x800;
+ break;
+
default:
- help(argv[0]);
+ usage();
}
}
if (optind >= argc || argc-optind < 2) {
fprintf(stderr, "Must specify input and output filename\n");
- help(argv[0]);
+ usage();
}
if (strcmp(argv[optind], "-")) {
- input_filename = strdup(argv[optind]);
- input_file = fopen(input_filename, "rb");
+ input_filename = g_strdup(argv[optind]);
+ input_file = ws_fopen(input_filename, "rb");
if (!input_file) {
- fprintf(stderr, "Cannot open file [%s] for reading: %s\n",
+ fprintf(stderr, "Cannot open file [%s] for reading: %s\n",
input_filename, strerror(errno));
exit(-1);
}
}
if (strcmp(argv[optind+1], "-")) {
- output_filename = strdup(argv[optind+1]);
- output_file = fopen(output_filename, "wb");
+ output_filename = g_strdup(argv[optind+1]);
+ output_file = ws_fopen(output_filename, "wb");
if (!output_file) {
- fprintf(stderr, "Cannot open file [%s] for writing: %s\n",
+ fprintf(stderr, "Cannot open file [%s] for writing: %s\n",
output_filename, strerror(errno));
exit(-1);
}
/* Some validation */
if (pcap_link_type != 1 && hdr_ethernet) {
- fprintf(stderr, "Dummy headers (-e, -i, -u, -s, -S) cannot be specified with link type override (-l)\n");
+ fprintf(stderr, "Dummy headers (-e, -i, -u, -s, -S -T) cannot be specified with link type override (-l)\n");
exit(-1);
}
output_file = stdout;
output_filename = "Standard output";
}
-
+
+ ts_sec = time(0); /* initialize to current time */
+ timecode_default = *localtime(&ts_sec);
+ timecode_default.tm_isdst = -1; /* Unknown for now, depends on time given to the strptime() function */
+
/* Display summary of our state */
if (!quiet) {
fprintf(stderr, "Input from: %s\n", input_filename);
fprintf(stderr, "Output to: %s\n", output_filename);
- if (hdr_ethernet) fprintf(stderr, "Generate dummy Ethernet header: Protocol: 0x%0lX\n",
- hdr_ethernet_proto);
- if (hdr_ip) fprintf(stderr, "Generate dummy IP header: Protocol: %ld\n",
- hdr_ip_proto);
- if (hdr_udp) fprintf(stderr, "Generate dummy UDP header: Source port: %ld. Dest port: %ld\n",
- hdr_udp_src, hdr_udp_dest);
- if (hdr_sctp) fprintf(stderr, "Generate dummy SCTP header: Source port: %ld. Dest port: %ld. Tag: %ld\n",
- hdr_sctp_src, hdr_sctp_dest, hdr_sctp_tag);
- if (hdr_data_chunk) fprintf(stderr, "Generate dummy DATA chunk header: TSN: %lu. SID: %d. SSN: %d. PPID: %lu\n",
- hdr_data_chunk_tsn, hdr_data_chunk_sid, hdr_data_chunk_ssn, hdr_data_chunk_ppid);
+ if (hdr_ethernet) fprintf(stderr, "Generate dummy Ethernet header: Protocol: 0x%0lX\n",
+ hdr_ethernet_proto);
+ if (hdr_ip) fprintf(stderr, "Generate dummy IP header: Protocol: %ld\n",
+ hdr_ip_proto);
+ if (hdr_udp) fprintf(stderr, "Generate dummy UDP header: Source port: %ld. Dest port: %ld\n",
+ hdr_src_port, hdr_dest_port);
+ if (hdr_tcp) fprintf(stderr, "Generate dummy TCP header: Source port: %ld. Dest port: %ld\n",
+ hdr_src_port, hdr_dest_port);
+ if (hdr_sctp) fprintf(stderr, "Generate dummy SCTP header: Source port: %ld. Dest port: %ld. Tag: %ld\n",
+ hdr_sctp_src, hdr_sctp_dest, hdr_sctp_tag);
+ if (hdr_data_chunk) fprintf(stderr, "Generate dummy DATA chunk header: TSN: %lu. SID: %d. SSN: %d. PPID: %lu\n",
+ hdr_data_chunk_tsn, hdr_data_chunk_sid, hdr_data_chunk_ssn, hdr_data_chunk_ppid);
}
}
if (debug)
fprintf(stderr, "\n-------------------------\n");
if (!quiet) {
- fprintf(stderr, "Read %ld potential packets, wrote %ld packets\n",
- num_packets_read, num_packets_written);
+ fprintf(stderr, "Read %ld potential packet%s, wrote %ld packet%s\n",
+ num_packets_read, (num_packets_read==1) ?"":"s",
+ num_packets_written, (num_packets_written==1)?"":"s");
}
return 0;
}
git.samba.org / obnox / wireshark / wip.git / blobdiff